We support OFW API to replace fdt old API, and add
IRQ, IO, Platform-Bus, CPUs ... OFW node contorl.
To support work with Device Tree or ACPI in drivers
that use IRQ, we make a programmable interrupt
controller driver's model.
Signed-off-by: GuEe-GUI <GuEe-GUI@github.com>
#### 为什么提交这份PR (why to submit this PR)
原版编译报错：Static declaration of 'romfs_root' follows non-static declaration in dfs_romfs.h
原因为：在`board/ports/drv_filesystem.c`71行用`static`定义了常量`romfs_root`，而在`rt-thread/components/dfs/dfs_v1/filesystems/romfs/dfs_romfs.h`29行，有它的外部引用：
```
extern const struct romfs_dirent romfs_root;
```
Original compilation error: Static declaration of 'romfs_ root' follows non-static declaration in dfs_romfs. h
The reason is: in 'board/ports/drv_filesystem.c' line 71 use `static` define `romfs_root`, while in `rt-thread/components/dfs/dfs_v1/filesystems/romfs/dfs_romfs.h` line 29, with its external reference:
```
extern const struct romfs_dirent romfs_root;
```
#### 你的解决方案是什么 (what is your solution)
在`drv_filesystem.c`中，不可以用static修饰这个常量，故去掉`static`关键字。
In `board/ports/drv_filesystem.c`, it is not allowed to define this constant with static, so the `static` keyword must be removed.
#### 在什么测试环境下测试通过 (what is the test environment)
正点原子潘多拉开发板
stm32l475-atk-pandora
Fix below build error when using LVGL:
applications/lvgl/lv_port_indev.c(73): error: use of undeclared
identifier 'BOARD_Touch_I2C_Send'
.I2C_SendFunc = BOARD_Touch_I2C_Send,
^
applications/lvgl/lv_port_indev.c(74): error: use of undeclared
identifier 'BOARD_Touch_I2C_Receive'
.I2C_ReceiveFunc = BOARD_Touch_I2C_Receive,
^
applications/lvgl/lv_port_indev.c(154): warning: implicit declaration of
function 'BOARD_LPI2C_Init' is invalid in C99
[-Wimplicit-function-declaration]
BOARD_LPI2C_Init(TOUCH_I2C, TOUCH_I2C_CLOCK_FREQ);
^
Signed-off-by: Ting Liu <ting.liu@nxp.com>
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